Table 4 Optimal cut-off values and performance of SPPB total score and SPPB gait speed (8 ft) subtest in assessing sarcopenia and severe sarcopenia according to each AWGS19 physical performance criteria, including 6 m Gait Speed (GS), 5x repeated-chair Sit-to-Stand (STS) and Short Physical Performance Battery (SPPB), in men and women aged ≥60 years
Prevalence (%) | SPPB (Total score) | SPPB subtest: Gait Speed (8 ft) (m/s) | |||||
|---|---|---|---|---|---|---|---|
Cut-off | Sensitivity (95% CI) | Specificity (95% CI) | Cut-off | Sensitivity (95% CI) | Specificity (95% CI) | ||
Males (total n = 136) | |||||||
Sarcopenia | |||||||
AWGS19 GS | 21.3 | 6 | 7% (1, 23) | 99% (95, 100) | 1.2 | 86% (68, 96) | 33% (24, 42) |
AWGS19 STS | 25.0 | 11 | 44% (27, 62) | 71% (61, 79) | 1.0 | 68% (49, 83) | 72% (62, 80) |
AWGS19 SPPB | 24.3 | 11 | 42% (25, 61) | 70% (60, 79) | 1.0 | 70% (51, 84) | 72% (62, 80) |
Severe Sarcopenia | |||||||
AWGS19 GS | 19.9 | 11 | 67% (46, 83) | 75% (66, 83) | 0.9 | 70% (50, 86) | 91% (84, 96) |
AWGS19 STS | 8.1 | 11 | 100% (72, 100) | 73% (64, 80) | 0.9 | 82% (48, 98) | 84% (76, 90) |
AWGS19 SPPB | 5.9 | 9 | 100% (63, 100) | 97% (92, 99) | 0.9 | 100% (63, 100) | 84% (76, 90) |
Females (total n = 167) | |||||||
Sarcopenia | |||||||
AWGS19 GS | 25.1 | 10 | 19% (9, 34) | 82% (74, 88) | 1.1 | 71% (55, 84) | 42% (33, 51) |
AWGS19 STS | 16.9 | 10 | 29% (13, 49) | 84% (77, 90) | 1.0 | 57% (37, 76) | 68% (60, 76) |
AWGS19 SPPB | 21.6 | 11 | 58% (41, 74) | 69% (61, 77) | 1.0 | 64% (46, 79) | 71% (62,79) |
Severe Sarcopenia | |||||||
AWGS19 GS | 14.4 | 11 | 71% (49, 87) | 69% (61, 77) | 1.0 | 83% (63, 95) | 71% (63, 79) |
AWGS19 STS | 6.6 | 11 | 100% (72, 100) | 68% (60, 76) | 1.0 | 82% (48, 98) | 67% (59, 74) |
AWGS19 SPPB | 1.2 | 7 | 100% (16, 100) | 96% (91, 98) | 0.7 | 100% (14, 100) | 93% (88, 97) |